The most popular programming languages in 2022 on Github were:

- Javascript/Typescript
 - Python
- Java
- C#
- C++
- PHP

However popularity can be interpreted in various ways, from relative usage to adoption, and popularity in open-source can differ from that in industry, which can vary significantly depending on the domain:

- In web development, Javascript and its Typescript variant are extremely popular.
- For scripting and scientific computing Python is a reliable choice.
- In the industry, Java and C# are behind most enterprise softwares and backends.
- C++ is often used for high performance scenarios.
- PHP was a very popular choice for web backends.

But some new languages are growing fast:

- Rust as a safer high-performance language
- Go as a simpler opiniated language
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